<!-- Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at
 http://www.apache.org/licenses/LICENSE-2.0
 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License. -->
 
 <!doctype html>
<html>
<head>
	<title>StringAppend</title>
	<link rel="stylesheet" type="text/css" href="../../css/style.css">
</head>
<body>
<p><span class="header-1">StringAppend</span></p>
 
<p><span>The string append function appends all the values of the specified field within the group. The field separator can be specified using operation properties. The default field separator is ','. <span>To specify a different field separator, add operation property with name = 'filler'. The value of this property will be used as the field separator.</span></p>
<ul>
	<li><p><span>Key fields: The key fields for aggregation. This information is already provided using the <a href="../../Components/transform/GroupCombine_Properties.html#key_fields">key fields</a> option on aggregate properties window.</span>
	</li>
	<li><p><span>Input field name: The input field which is to be appended. This information is already provided using the <a href="../../Components/transform/GroupCombine_Operation_Editor.html#operation_input_fields">operation input fields</a> option on aggregate operation editor window.</span></p>
		<p><span><b>Note</b>: Input field supports only string data type.</span></p>
	</li>
	<li><p><span>Output field name: The field which stores the appended string within the group. This information is already provided using the <a href="../../Components/transform/GroupCombine_Operation_Editor.html#operation_output_fields">operation output fields</a> option on aggregate operation editor window.</span></p>
		<p><span><b>Note</b>: The data type of output field is also string.</span></p>
	</li>
</body>